Конец с защитой 5вар

main
PodlovchenkoDD 2 недель назад
Родитель fd3e8e5616
Сommit e98e094259

@ -4,7 +4,11 @@
#include "histogram_internal.h" #include "histogram_internal.h"
using namespace std; using namespace std;
void find_minmax(const vector<double>& numbers, double& min, double& max) { bool find_minmax(const vector<double>& numbers, double& min, double& max) {
if(numbers.empty()){
return false;
}
else{
min = numbers[0]; min = numbers[0];
max = numbers[0]; max = numbers[0];
for (double x : numbers) { for (double x : numbers) {
@ -15,6 +19,8 @@ void find_minmax(const vector<double>& numbers, double& min, double& max) {
max = x; max = x;
} }
} }
return true;
}
} }
//ñîçäàíèå ãèñòîãðàììû //ñîçäàíèå ãèñòîãðàììû

@ -4,7 +4,7 @@
#include <vector> #include <vector>
void find_minmax(const std::vector<double>& numbers, double& min, double& max); bool find_minmax(const std::vector<double>& numbers, double& min, double& max);
#endif // HISTOGRAM_INTERNAL_H_INCLUDED #endif // HISTOGRAM_INTERNAL_H_INCLUDED

@ -50,16 +50,26 @@ show_histogram_svg(const vector<size_t>& bins) {
const auto BIN_HEIGHT = 30; const auto BIN_HEIGHT = 30;
const auto BLOCK_WIDTH = 10; const auto BLOCK_WIDTH = 10;
const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
size_t max_bin = 0;
for (size_t bin : bins) {
if (bin > max_bin) {
max_bin = bin;
}
}
// //
svg_begin(400, 300); svg_begin(400, 300);
double top = 0; double top = 0;
for (size_t bin : bins) { for (size_t bin : bins) {
const double bin_width = BLOCK_WIDTH * bin;
svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin)); double bin_width = 0;
svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT); bin_width = (MAX_WIDTH * bin) / max_bin;
svg_text(IMAGE_WIDTH - TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
svg_rect(IMAGE_WIDTH - TEXT_WIDTH - bin_width, top, bin_width, BIN_HEIGHT);
top += BIN_HEIGHT; top += BIN_HEIGHT;
} }
svg_end(); svg_end();
} }
//Ñàìîñòîÿòåëüíî. Ðåàëèçóéòå äëÿ ãèñòîãðàììû â SVG ìàñøòàáèðîâàíèå: ñàìûé äëèííûé ñòîëáåö äîëæåí çàíèìàòü (IMAGE_WIDTH - TEXT_WIDTH) òî÷åê.!!!!!!!!!!!!!!!!!!!!!!!!!!

@ -3,7 +3,13 @@
#include "doctest.h" #include "doctest.h"
#include "histogram_internal.h" #include "histogram_internal.h"
TEST_CASE("distinct positive numbers") { TEST_CASE("ďóńňîé âĺęňîđ") {
double min = 0;
double max = 0;
CHECK(!(find_minmax({}, min, max)));
}
TEST_CASE("ďîçčňčâíűĺ ÷čńëŕ") {
double min = 0; double min = 0;
double max = 0; double max = 0;
find_minmax({1, 2}, min, max); find_minmax({1, 2}, min, max);
@ -11,7 +17,7 @@ TEST_CASE("distinct positive numbers") {
CHECK(max == 2); CHECK(max == 2);
} }
TEST_CASE("all negative numbers"){ TEST_CASE("âńĺ íĺăŕňčâíűĺ"){
double min = 0; double min = 0;
double max = 0; double max = 0;
find_minmax({-1, -2}, min, max); find_minmax({-1, -2}, min, max);
@ -19,7 +25,7 @@ TEST_CASE("all negative numbers"){
CHECK(max == -1); CHECK(max == -1);
} }
TEST_CASE("vector of the same elements"){ TEST_CASE("îäčíŕęîâűĺ ýëĺěĺíňű"){
double min = 0; double min = 0;
double max = 0; double max = 0;
find_minmax({3,3,3}, min, max); find_minmax({3,3,3}, min, max);
@ -27,3 +33,12 @@ TEST_CASE("vector of the same elements"){
CHECK(max == 3); CHECK(max == 3);
} }
TEST_CASE("îäčí ýëĺěĺíň"){
double min = 0;
double max = 0;
find_minmax({3}, min, max);
CHECK(min == 3);
CHECK(max == 3);
}

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